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HelicopterThunder TigerOther › Getting a R 30, need advice
12-13-2004 02:32 AM  13 years agoPost 1
Ashdec87

rrApprentice

chicago suburbanite

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Hi

I'll be getting a raptor 30 v1 from someone i know. It's built, but the engine is pretty much new and needs to be broken in.

I read all of raptor technuiqe, but i jsut wanted to hear some thoughts from you guys.

It's got an OS 32, and everything is stock. I'll be running it on 15% CP and i'm also using a volt watch. Oh, my radio is an eclipse 7.

I have a nitro car, so i know the basic workings of a nitro engine, but the nitro heli is my first wet fuel helicopter (i have an eco 8).

Is there anythng special i need to know??
One specific question. What's the procedure for starting the engine?? I heard you hold the blades, but what if i have to give it a bit of throttle to get it to turn over, will the blades start spinning??

thanks

ash

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12-13-2004 02:55 AM  13 years agoPost 2
helibird

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St. George, UT

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Yes the blades will start spinning if you start up above idle.

The procedure I follow is...

Set the helicopter so that the fuel tubing side is toward you, this way if you had to you could pull the fuel line to kill the engine. Set the radio on your right side within easy reach. Double check that all your switches are in the correct position. Turn on your heli and your transmitter, wait until you get a solid light on your gyro (GY401). Attach your glow starter and Hold one of the blade grips with your left hand and your starter with your right. I set my throttle trim low and try and start it, if it doesn't start increase the trim a little and try again until it starts.

It's important that you keep hold of the grip, if you get a hot start reach over either pull the fuel tubing or push your throttle trim to lowest position. I have had one hot start and it scares the hell out of you!! But if keep hold of the heli the worst you'll do is burn up a clutch lining.

Hope this helps!!

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12-13-2004 03:03 AM  13 years agoPost 3
Ashdec87

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chicago suburbanite

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Thanks, that does help.

But i do have a question about that. I heard that you should have the muffler towards you so you can cover the exhaust, since this shuts the engine off faster. Any thoughts on that??

Kind of a newbie questions, but whats a hot start?? I've heard of it, but no one really explained what it is.

thanks

ash

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12-13-2004 03:14 AM  13 years agoPost 4
nojohnny101

rrElite Veteran

10 miles north of Cincy, OHIO

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hey
ok....generallly i haven't heard people the muffler in case you need to shut it off...just pull the fuel line that goes to then engine...alot simplier and faster
what you can use the muffler for is if you plug if for a while (plug it while you are turning it over with your starter....this causes pressure and the engine sucks more fuel which helps it it start...ie gives it more fuel....
you will have to take your hand off the blades to do this but...if you don't feel safe then dont'
a hot start i'm not too sure on....can anyone comment????

Let me know


Thanks
~Will~

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12-13-2004 03:43 AM  13 years agoPost 5
bigbadflyer

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Middle Earth New Zealand

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HOT START = accidently starting heli with throttle anything above idle. Engine revs its ring out and can damage clutch easily.
Horrible smell followed by lots of swearing and toped off by other heli flyers laughing at you!

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12-13-2004 11:40 AM  13 years agoPost 6
airdodger

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Johnston USA

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Bigbadflier I like the embellishment. Chris

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12-13-2004 12:05 PM  13 years agoPost 7
copperclad

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NY

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hi
you >allways< want to have a good hold on one of the blade grips while you're cranking the engine , if you have a hot start there will be no time to grab it then , and if it hot starts while you're not holding it you're going to have a real mess on your hands

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12-13-2004 12:41 PM  13 years agoPost 8
Ashdec87

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chicago suburbanite

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oh ok, thanks every one.

Another thing, how rich should i run it (3 turns??), and should i try flying or should i jsut let it sit on the ground?

And how do i know it's broken in??

ash

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12-13-2004 12:58 PM  13 years agoPost 9
copperclad

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NY

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http://www.raptortechnique.com/
hi
this link should help answer some of your questions

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12-13-2004 01:19 PM  13 years agoPost 10
nojohnny101

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10 miles north of Cincy, OHIO

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hey
copperclad>>> he already said in his first post that he read up on that site....
ashdec87...i would just go with the recommened needle settings that they tell you to start out with in the manual....is this guy giving you all hte manuals....including the OS one????
adn then judge by that when it's flying tons of oil and gas should be on the skids....when you land it you should be able to squeeze the exhaust deflector and some gas should leak out....
as far as leaning it out and when to?>>>>? you just have to use your judgement....if you know where the back plate of your engine is....ie if it's mounted in the heli you stick your finger under it and then up into like a little cyclinder shape and feel that plate at the end of that round shape....THAT SHOULD NEVER BE HOT....the general rule is that you should be able to keep your finger on that plate for about 5 sec without getting burned....
when do you lean it out....i would say minumum of 3-5 full gallons...its really your judgement....i mean if someone else could comment that would be great....OS is pretty forgiving....but always remember.....it's better to lean it out late than too early
just think about this....if you lean it out too soon you run the risk of damaging it....if you lean it out too late you run a risk of nothing....you will just be lacking power till you lean it out....which is ok for where your at....i mean jsut take your time in doing it....
hope this clarifies....sry for the long response....anyone else??

Let me know


Thanks
~Will~

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12-13-2004 01:33 PM  13 years agoPost 11
copperclad

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NY

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hi will
thanks , i see i missed that

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12-13-2004 01:36 PM  13 years agoPost 12
nojohnny101

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10 miles north of Cincy, OHIO

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hey
anytime ....thanks for keeping us on your toes....people like you who keep us sharp...lol....!!!

Thanks
~Will~

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12-13-2004 08:57 PM  13 years agoPost 13
ShempHoward

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San Francisco, Ca - too many beggars + bad drivers

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The OS manual for the 32SX-H says to start at11/2 turns out but this is a very general setting and subject to change due to weather,fuel type, plug type etc.

What fuel, plug and muffler will you run?

Here is what I would suggest - On 10-15% Nitro with an Enya #3 plug open the high end to approx 2 full turns open. At this setting with a mid throttle stick main blade pitch setting of about 5-6 degrees hover approx 5-6 tanks of fuel. From there you can lean it out a little as necessary but having someone experienced at hand will help you. I you run 20-30% Nitro you will need to start off a bit richer.

This is an ABN (not ABC) engine. If run too lean you will peel the liner and if run too rich you will not allow sufficient heat to ensure a good and proper break in of the piston/liner assembly.

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12-13-2004 10:01 PM  13 years agoPost 14
Ashdec87

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chicago suburbanite

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I'm getting the heli manual, but i'm not sure about the engine manual.

Like i said before, i do have some knowledge of engines, but it's been a while (3+ years) since i had to break in an engine.

So the heli should be able to fly when i break it in right?? Obviously, it wont be much, maybe jsut hovering. And lastly, when it's breaking in and running this rich, how big is the chance of a flame out??

With my car it would constantly die for the first tank, can i expect this with the heli??

thanks for all your responces.

ash

PS- I'll be running it on 15% CP, an OS 8 (i have a duratrax gold as a back up) and i'm using the TT muffler?..

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12-14-2004 01:47 AM  13 years agoPost 15
ShempHoward

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San Francisco, Ca - too many beggars + bad drivers

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OK -Now we are in the ballpark.

The OS #8 plug is fine. Most prefer the Enya #3 but stick with the #8. The #3 is a bit hotter and seems to last a bit longer. Its basically a wash plug wise.

Cool Power 15% is a very popular fuel and even if its labeled Heli 15% its still the exact same Cool Power which BTW is only 17% Lube by Volume. I run it but I add 4 ounces of KLOTZ to each gallon to raise the Lube to 20% by volume. Some do this many do not - to me its cheap insurance. OS wants a minimum of 18% lube so careful tuning is important. The TT muffler is fine.

Starting 2 full turns open will be fine and the engine should not flame out on you. You will need to set up both throttle and pitch curves though. See Raptortechnique.com for that. Put training gear on it.

DO NOT USE CAR FUEL IN YOUR HELI - IT'S TOO LOW IN LUBE CONTENT.

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12-14-2004 02:02 AM  13 years agoPost 16
Ashdec87

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chicago suburbanite

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Car fuel?!? Of course i wouldnt use it..I may be dumb, but i'm not stupid

I wont need training gears. I've got an eco 8 and can fly that with no problem.

heli should be here by wendsday, and the rest of the supplies by friday, and i should be able to try it out over this weekend.

ash

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12-14-2004 02:06 AM  13 years agoPost 17
ShempHoward

rrKey Veteran

San Francisco, Ca - too many beggars + bad drivers

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Sorry - When you said Duratrax Gold I thought you meant fuel. I see now you meant a Duratrax plug - not sure if its good for a Heli engine.

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12-14-2004 03:02 AM  13 years agoPost 18
Ashdec87

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chicago suburbanite

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The guy at the LHS didnt have any more os 8's so he jsut gave this to me for free to try out.

So if it works, that's great, if not, no loss.

ash

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12-14-2004 06:45 AM  13 years agoPost 19
ShempHoward

rrKey Veteran

San Francisco, Ca - too many beggars + bad drivers

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A Duratrax Gold Plug might be too long
and interfere with the piston travel aside from possibly being the wrong heat range.

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12-15-2004 12:16 AM  13 years agoPost 20
Ashdec87

rrApprentice

chicago suburbanite

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when the heli comes i'll check it against the os 8, it looks short enough, but i'll have to check.

He made sure he gave me a "cold" plug so it runs better when i'm breaking the engine in.

Like i said, if it doesnt work, no loss.

And i jsut picked up 3 gallons of CP 15% heli fuel. And the heli should be coming in tomorrow, very excited.

ash

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HelicopterThunder TigerOther › Getting a R 30, need advice
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